Average Co-Inventor Count = 2.43
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Mizuno USA, Inc. (5 from 68 patents)
2. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
3. Panasonic Intellectual Property Management Co., Ltd. (1 from 13,319 patents)
4. Sanyo Electric Co., Ltd. (1 from 8,782 patents)
5. Mizuno Corporation (1 from 295 patents)
9 patents:
1. 10347883 - Battery-affixing frame member, battery-affixing member, and electricity storage device
2. 10245475 - Golf club head and golf club
3. 9985259 - Battery pack
4. D736874 - Iron-type golf club head
5. D720415 - Iron-type golf club head
6. 8021246 - Iron golf club heads and golf club sets with variable weight distribution
7. D611554 - Back design for an iron golf club head
8. D600765 - Back design for an iron golf club head
9. 7311235 - Electric stapler with pencil sharpener